It's a festive week for the royal family.
This is the second official flypast in two month as the royals celebrated the Trooping the Colour in honor of Queen Elizabeth's birthday in early June.
Prince William and Kate's amusing moment comes as the Duchess officially returned to her royal duties one day after Prince Louis' christening, alongside sister-in-law Meghan Markle, who is now the Duchess of Sussex.
During the final day of their visit, Harry and Meghan met President Higgins and his wife. "The Queen would have approved that trip, she would have made sure she was happy with the itinerary". "All three work together beautifully and it's a combination that looks fantastic, so I think it's safe to say this won't be the last time we see this look on Meghan".
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Shaqiri scored eight times for Stoke last season and has made 92 appearances in total since joining from Inter in 2015. In June, Shaqiri was reported as saying he wanted to leave Stoke and sign for a Premier League club.
After a quick glance, the Duchess of Cambridge responds by breaking into a beaming smile. Could her heels have been a touch uncomfortable?
Lincolnshire's RAF Red Arrows and the Battle of Britain Memorial Flight Lancaster will fly over Buckingham Palace for the flypast at 1pm.
Later, Meghan was on the royal balcony with the Queen and Prince Harry.
The RAF, which is the first-ever independent air force, split from the British Army and Royal Navy in April 1918.
The royal couple will meet Irish President Michael Higgins and the head of government, Taoiseach Leo Varadkar on their first visit outside the United Kingdom since their wedding in May, the Irish Times reported.
Over the course of the trip, Their Royal Highnesses will meet the people of Dublin and will visit organisations which are central to Irish life.